https://signull.cc/tech/The tools changing how we work, create and connect. AI, software, devices, privacy and the product decisions that make their way into everyday life.https://signull.cc/tech/passkey-sign-in-brief/https://signull.cc/tech/passkey-sign-in-brief/Passkeys move a familiar daily task toward a device-unlock experience.Wed, 07 Oct 2026 00:00:00 GMThttps://signull.cc/tech/how-ai-video-generation-actually-works/https://signull.cc/tech/how-ai-video-generation-actually-works/Modern AI video models do not animate one finished frame at a time. They compress moving images into a smaller representation, turn prompts into machine-readable conditions, and iteratively solve a noisy block of space and time into a coherent clip.Sat, 10 Oct 2026 00:00:00 GMThttps://signull.cc/tech/how-browser-extensions-become-security-risks/https://signull.cc/tech/how-browser-extensions-become-security-risks/The useful little button beside your address bar can hold unusually powerful access. The real risk is not only malicious extensions — it is what happens when trusted code, broad permissions and automatic updates meet.Sat, 10 Oct 2026 00:00:00 GMThttps://signull.cc/tech/passkeys-explained/https://signull.cc/tech/passkeys-explained/A passkey is a cryptographic credential that lets you sign in with your device unlock instead of typing a password. It is harder to phish because it only works with the site or app it was created for.Sat, 10 Oct 2026 00:00:00 GMThttps://signull.cc/tech/what-tokens-mean-in-ai/https://signull.cc/tech/what-tokens-mean-in-ai/A token is the unit a language model actually receives and generates — not a word, character or fixed amount of meaning. The same unit is also used to measure context limits and much of AI API pricing.Sat, 10 Oct 2026 00:00:00 GMThttps://signull.cc/tech/is-web-scraping-legal/https://signull.cc/tech/is-web-scraping-legal/Web scraping is not automatically illegal. But “publicly visible” settles only one part of the problem: access rules, contracts, copyright, privacy and the way scraped data is used can each create separate legal exposure.Fri, 09 Oct 2026 00:00:00 GMT